#ifndef BASE_WIN32FILESYSTEM_H__
#define BASE_WIN32FILESYSTEM_H__

#include "fileutils.h"

namespace base {

	class Win32Filesystem : public FilesystemInterface {
	public:
		// Opens a file. Returns an open StreamInterface if function succeeds. Otherwise,
		// returns NULL.
		virtual FileStream *OpenFile(const Pathname &filename, 
			const std::string &mode);

		// Atomically creates an empty file accessible only to the current user if one
		// does not already exist at the given path, otherwise fails.
		virtual bool CreatePrivateFile(const Pathname &filename);

		// This will attempt to delete the path located at filename.
		// If the path points to a folder, it will fail with VERIFY
		virtual bool DeleteFile(const Pathname &filename);

		// This will attempt to delete an empty folder. If the path does not point to
		// a folder, it fails with VERIFY. If the folder is not empty, it fails normally
		virtual bool DeleteEmptyFolder(const Pathname &folder);

		// Creates a directory. This will call itself recursively to create /foo/bar even if
		// /foo does not exist.
		// Returns TRUE if function succeeds
		virtual bool CreateFolder(const Pathname &pathname);

		// This moves a file from old_path to new_path. If the new path is on a 
		// different volume than the old, it will attempt to copy and then delete
		// the folder
		// Returns true if the file is successfully moved
		virtual bool MoveFile(const Pathname &old_path, const Pathname &new_path);

		// Moves a folder from old_path to new_path. If the new path is on a different
		// volume from the old, it will attempt to Copy and then Delete the folder
		// Returns true if the folder is successfully moved
		virtual bool MoveFolder(const Pathname &old_path, const Pathname &new_path);

		// This copies a file from old_path to _new_path
		// Returns true if function succeeds
		virtual bool CopyFile(const Pathname &old_path, const Pathname &new_path);

		// Returns true if a pathname is a directory
		virtual bool IsFolder(const Pathname& pathname);

		// Returns true if a file exists at path
		virtual bool IsFile(const Pathname &path);

		// Returns true if pathname refers to no filesystem object, every parent
		// directory either exists, or is also absent.
		virtual bool IsAbsent(const Pathname& pathname);

		// Returns true if pathname represents a temporary location on the system.
		virtual bool IsTemporaryPath(const Pathname& pathname);

		// All of the following functions set pathname and return true if successful.
		// Returned paths always include a trailing backslash.
		// If create is true, the path will be recursively created.
		// If append is non-NULL, it will be appended (and possibly created).

		virtual std::string TempFilename(const Pathname &dir, const std::string &prefix);

		virtual bool GetFileSize(const Pathname& path, size_t* size);
		virtual bool GetFileTime(const Pathname& path, FileTimeType which,
			time_t* time);

		// A folder appropriate for storing temporary files (Contents are
		// automatically deleted when the program exists)
		virtual bool GetTemporaryFolder(Pathname &path, bool create,
			const std::string *append);

		// Returns the path to the running application.
		virtual bool GetAppPathname(Pathname* path);

		virtual bool GetAppDataFolder(Pathname* path, bool per_user);

		// Get a temporary folder that is unique to the current user and application.
		virtual bool GetAppTempFolder(Pathname* path);

		virtual bool GetDiskFreeSpace(const Pathname& path, int64 *freebytes);

		virtual Pathname GetCurrentDirectory();
	};

}  // namespace base

#endif  // BASE_WIN32FILESYSTEM_H__
